Sam drives an excavator at an open surface strip coal mine. Which type of coal is he most likely to collect closest to the surface? A. anthracite B. subbituminous C. Ilgnite D. bituminous E. pitchblende

Sam drives an excavator at an open surface strip coal mine. Which type of coal is he most likely to collect closest to the surface?

A. anthracite
B. subbituminous
C. Ilgnite
D. bituminous
E. pitchblende

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Sam drives an excavator at an open surface strip coal mine. Which type of coal is he most likely to collect closest to the surface? A. anthracite B. subbituminous C. Ilgnite D. …

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